Acting
John Dennis Johnston (born May 14, 1950) is an American film and television actor.
Supernatural
2005
Married... with Children
1987
Murder, She Wrote
1984
ER
1994
Without a Trace
2002
The A-Team
1983
MacGyver
1985
Charlie's Angels
1976
Knots Landing
1979
Emergency!
1972
The Golden Girls
The Rockford Files
1974
St. Elsewhere
1982
Matlock
1986
Highlander: The Series
1992
T. J. Hooker
Southland
2009
Millennium
1996
Dark Angel
2000
In Plain Sight
2008
